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| <div class="subTitle">org.apache.cayenne.map</div> |
| <h2 title="Class Relationship" class="title">Class Relationship</h2> |
| </div> |
| <div class="contentContainer"> |
| <ul class="inheritance"> |
| <li><a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">java.lang.Object</a></li> |
| <li> |
| <ul class="inheritance"> |
| <li>org.apache.cayenne.map.Relationship</li> |
| </ul> |
| </li> |
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| </dl> |
| <dl> |
| <dt>Direct Known Subclasses:</dt> |
| <dd><a href="../../../../org/apache/cayenne/map/DbRelationship.html" title="class in org.apache.cayenne.map">DbRelationship</a>, <a href="../../../../org/apache/cayenne/map/ObjRelationship.html" title="class in org.apache.cayenne.map">ObjRelationship</a></dd> |
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| <pre>public abstract class <span class="typeNameLabel">Relationship</span> |
| extends <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> |
| implements <a href="../../../../org/apache/cayenne/util/CayenneMapEntry.html" title="interface in org.apache.cayenne.util">CayenneMapEntry</a>, <a href="../../../../org/apache/cayenne/util/XMLSerializable.html" title="interface in org.apache.cayenne.util">XMLSerializable</a>, <a href="https://docs.oracle.com/javase/7/docs/api/java/io/Serializable.html?is-external=true" title="class or interface in java.io">Serializable</a></pre> |
| <div class="block">Defines a relationship between two entities. In a DataMap graph relationships represent |
| "arcs" connecting entity "nodes". Relationships are directional, i.e. they have a |
| notion of source and target entity. This makes DataMap a "digraph".</div> |
| <dl> |
| <dt><span class="seeLabel">See Also:</span></dt> |
| <dd><a href="../../../../serialized-form.html#org.apache.cayenne.map.Relationship">Serialized Form</a></dd> |
| </dl> |
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| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Field and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/map/Relationship.html#name">name</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/map/Relationship.html#runtime">runtime</a></span></code> |
| <div class="block">A flag that specifies whether a Relationship was mapped by the user or added |
| dynamically by Cayenne runtime.</div> |
| </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected <a href="../../../../org/apache/cayenne/map/Entity.html" title="class in org.apache.cayenne.map">Entity</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/map/Relationship.html#sourceEntity">sourceEntity</a></span></code> </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colFirst"><code>protected <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/map/Relationship.html#targetEntityName">targetEntityName</a></span></code> </td> |
| </tr> |
| <tr class="altColor"> |
| <td class="colFirst"><code>protected boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/map/Relationship.html#toMany">toMany</a></span></code> </td> |
| </tr> |
| </table> |
| </li> |
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| <tr> |
| <th class="colOne" scope="col">Constructor and Description</th> |
| </tr> |
| <tr class="altColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/map/Relationship.html#Relationship--">Relationship</a></span>()</code> |
| <div class="block">Creates an unnamed relationship.</div> |
| </td> |
| </tr> |
| <tr class="rowColor"> |
| <td class="colOne"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/map/Relationship.html#Relationship-java.lang.String-">Relationship</a></span>(<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> name)</code> |
| <div class="block">Creates a named relationship.</div> |
| </td> |
| </tr> |
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| <tr> |
| <th class="colFirst" scope="col">Modifier and Type</th> |
| <th class="colLast" scope="col">Method and Description</th> |
| </tr> |
| <tr id="i0" class="altColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/map/Relationship.html#getName--">getName</a></span>()</code> |
| <div class="block">Returns the name property of this object.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/map/Relationship.html#getParent--">getParent</a></span>()</code> |
| <div class="block">Returns the parent map.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>abstract <a href="../../../../org/apache/cayenne/map/Relationship.html" title="class in org.apache.cayenne.map">Relationship</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/map/Relationship.html#getReverseRelationship--">getReverseRelationship</a></span>()</code> |
| <div class="block">Returns a "complimentary" relationship going in the opposite direction.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code><a href="../../../../org/apache/cayenne/map/Entity.html" title="class in org.apache.cayenne.map">Entity</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/map/Relationship.html#getSourceEntity--">getSourceEntity</a></span>()</code> |
| <div class="block">Returns relationship source entity.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>abstract <a href="../../../../org/apache/cayenne/map/Entity.html" title="class in org.apache.cayenne.map">Entity</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/map/Relationship.html#getTargetEntity--">getTargetEntity</a></span>()</code> |
| <div class="block">Returns a target entity of the relationship.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/map/Relationship.html#getTargetEntityName--">getTargetEntityName</a></span>()</code> |
| <div class="block">Returns the name of a target entity.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>abstract boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/map/Relationship.html#isMandatory--">isMandatory</a></span>()</code> |
| <div class="block">Returns if relationship is mandatory</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/map/Relationship.html#isRuntime--">isRuntime</a></span>()</code> </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>boolean</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/map/Relationship.html#isToMany--">isToMany</a></span>()</code> |
| <div class="block">Returns a boolean value that determines relationship multiplicity.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/map/Relationship.html#setName-java.lang.String-">setName</a></span>(<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> name)</code> </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/map/Relationship.html#setParent-java.lang.Object-">setParent</a></span>(<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> parent)</code> |
| <div class="block">Stores the parent map.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/map/Relationship.html#setRuntime-boolean-">setRuntime</a></span>(boolean synthetic)</code> </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/map/Relationship.html#setSourceEntity-org.apache.cayenne.map.Entity-">setSourceEntity</a></span>(<a href="../../../../org/apache/cayenne/map/Entity.html" title="class in org.apache.cayenne.map">Entity</a> sourceEntity)</code> |
| <div class="block">Sets relationship source entity.</div> |
| </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/map/Relationship.html#setTargetEntityName-org.apache.cayenne.map.Entity-">setTargetEntityName</a></span>(<a href="../../../../org/apache/cayenne/map/Entity.html" title="class in org.apache.cayenne.map">Entity</a> targetEntity)</code> |
| <div class="block">Sets relationship target entity.</div> |
| </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code>void</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/map/Relationship.html#setTargetEntityName-java.lang.String-">setTargetEntityName</a></span>(<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> targetEntityName)</code> |
| <div class="block">Sets the name of relationship target entity.</div> |
| </td> |
| </tr> |
| <tr id="i15" class="rowColor"> |
| <td class="colFirst"><code><a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../org/apache/cayenne/map/Relationship.html#toString--">toString</a></span>()</code> |
| <div class="block">Overrides Object.toString() to return informative description.</div> |
| </td> |
| </tr> |
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| <h3>Methods inherited from class java.lang.<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3> |
| <code><a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li> |
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| <h3>Methods inherited from interface org.apache.cayenne.util.<a href="../../../../org/apache/cayenne/util/XMLSerializable.html" title="interface in org.apache.cayenne.util">XMLSerializable</a></h3> |
| <code><a href="../../../../org/apache/cayenne/util/XMLSerializable.html#encodeAsXML-org.apache.cayenne.util.XMLEncoder-">encodeAsXML</a></code></li> |
| </ul> |
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| </li> |
| </ul> |
| </div> |
| <div class="details"> |
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| <h3>Field Detail</h3> |
| <a name="name"> |
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| </a> |
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| <h4>name</h4> |
| <pre>protected <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> name</pre> |
| </li> |
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| <a name="sourceEntity"> |
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| <h4>sourceEntity</h4> |
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| <h4>toMany</h4> |
| <pre>protected boolean toMany</pre> |
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| <h4>runtime</h4> |
| <pre>protected boolean runtime</pre> |
| <div class="block">A flag that specifies whether a Relationship was mapped by the user or added |
| dynamically by Cayenne runtime.</div> |
| <dl> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>3.0</dd> |
| </dl> |
| </li> |
| </ul> |
| </li> |
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| <h3>Constructor Detail</h3> |
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| <h4>Relationship</h4> |
| <pre>public Relationship()</pre> |
| <div class="block">Creates an unnamed relationship.</div> |
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| <h4>Relationship</h4> |
| <pre>public Relationship(<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> name)</pre> |
| <div class="block">Creates a named relationship.</div> |
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| <h4>getName</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> getName()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/cayenne/util/CayenneMapEntry.html#getName--">CayenneMapEntry</a></code></span></div> |
| <div class="block">Returns the name property of this object.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/cayenne/util/CayenneMapEntry.html#getName--">getName</a></code> in interface <code><a href="../../../../org/apache/cayenne/util/CayenneMapEntry.html" title="interface in org.apache.cayenne.util">CayenneMapEntry</a></code></dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>name of this entry.</dd> |
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| <h4>setName</h4> |
| <pre>public void setName(<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> name)</pre> |
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| <h4>getSourceEntity</h4> |
| <pre>public <a href="../../../../org/apache/cayenne/map/Entity.html" title="class in org.apache.cayenne.map">Entity</a> getSourceEntity()</pre> |
| <div class="block">Returns relationship source entity.</div> |
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| <h4>setSourceEntity</h4> |
| <pre>public void setSourceEntity(<a href="../../../../org/apache/cayenne/map/Entity.html" title="class in org.apache.cayenne.map">Entity</a> sourceEntity)</pre> |
| <div class="block">Sets relationship source entity.</div> |
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| <h4>getTargetEntity</h4> |
| <pre>public abstract <a href="../../../../org/apache/cayenne/map/Entity.html" title="class in org.apache.cayenne.map">Entity</a> getTargetEntity()</pre> |
| <div class="block">Returns a target entity of the relationship.</div> |
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| <h4>setTargetEntityName</h4> |
| <pre>public void setTargetEntityName(<a href="../../../../org/apache/cayenne/map/Entity.html" title="class in org.apache.cayenne.map">Entity</a> targetEntity)</pre> |
| <div class="block">Sets relationship target entity. Internally calls <code>setTargetEntityName</code>.</div> |
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| <h4>getTargetEntityName</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> getTargetEntityName()</pre> |
| <div class="block">Returns the name of a target entity.</div> |
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| <h4>setTargetEntityName</h4> |
| <pre>public void setTargetEntityName(<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> targetEntityName)</pre> |
| <div class="block">Sets the name of relationship target entity.</div> |
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| <h4>isToMany</h4> |
| <pre>public boolean isToMany()</pre> |
| <div class="block">Returns a boolean value that determines relationship multiplicity. This defines |
| semantics of the connection between two nodes described by the source and target |
| entities. E.g. to-many relationship between two Persistent object classes means |
| that a source object would have a collection of target objects. This is a read-only |
| property.</div> |
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| <h4>getParent</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> getParent()</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/cayenne/util/CayenneMapEntry.html#getParent--">CayenneMapEntry</a></code></span></div> |
| <div class="block">Returns the parent map.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/cayenne/util/CayenneMapEntry.html#getParent--">getParent</a></code> in interface <code><a href="../../../../org/apache/cayenne/util/CayenneMapEntry.html" title="interface in org.apache.cayenne.util">CayenneMapEntry</a></code></dd> |
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| <h4>setParent</h4> |
| <pre>public void setParent(<a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a> parent)</pre> |
| <div class="block"><span class="descfrmTypeLabel">Description copied from interface: <code><a href="../../../../org/apache/cayenne/util/CayenneMapEntry.html#setParent-java.lang.Object-">CayenneMapEntry</a></code></span></div> |
| <div class="block">Stores the parent map.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Specified by:</span></dt> |
| <dd><code><a href="../../../../org/apache/cayenne/util/CayenneMapEntry.html#setParent-java.lang.Object-">setParent</a></code> in interface <code><a href="../../../../org/apache/cayenne/util/CayenneMapEntry.html" title="interface in org.apache.cayenne.util">CayenneMapEntry</a></code></dd> |
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| <h4>toString</h4> |
| <pre>public <a href="https://docs.oracle.com/javase/7/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> toString()</pre> |
| <div class="block">Overrides Object.toString() to return informative description.</div> |
| <dl> |
| <dt><span class="overrideSpecifyLabel">Overrides:</span></dt> |
| <dd><code><a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a></code> in class <code><a href="https://docs.oracle.com/javase/7/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></code></dd> |
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| <h4>isRuntime</h4> |
| <pre>public boolean isRuntime()</pre> |
| <dl> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>3.0</dd> |
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| <h4>setRuntime</h4> |
| <pre>public void setRuntime(boolean synthetic)</pre> |
| <dl> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>3.0</dd> |
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| </ul> |
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| <h4>getReverseRelationship</h4> |
| <pre>public abstract <a href="../../../../org/apache/cayenne/map/Relationship.html" title="class in org.apache.cayenne.map">Relationship</a> getReverseRelationship()</pre> |
| <div class="block">Returns a "complimentary" relationship going in the opposite direction. Returns |
| null if no such relationship is found.</div> |
| <dl> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>3.1</dd> |
| </dl> |
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| <h4>isMandatory</h4> |
| <pre>public abstract boolean isMandatory()</pre> |
| <div class="block">Returns if relationship is mandatory</div> |
| <dl> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>3.1</dd> |
| </dl> |
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